The Border and Immigration Agency (BIA) was an executive agency of the British Home Office, created on 1 April 2007 and replaced on 1 April 2008.
The Foreign and Commonwealth Office (FCO), commonly called the Foreign Office, is a department of the Government of the United Kingdom.
Since 1945, immigration to the United Kingdom under British nationality law has been significant, in particular from the Republic of Ireland and from the former British Empire especially India, Bangladesh, Pakistan, the Caribbean, South Africa, Nigeria, Ghana, Kenya and Hong Kong.
A visa (from the Latin charta visa, meaning "paper which has been seen") is a conditional authorization granted by a country to a foreigner, allowing them to enter, remain within, or to leave that country.
The UK Border Agency (UKBA) was the border control agency of the Government of the United Kingdom and part of the Home Office that was superseded by UK Visas and Immigration, UK Border Force and Immigration Enforcement in April 2013.
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain,Usage is mixed with some organisations, including the and preferring to use Britain as shorthand for Great Britain is a sovereign country in western Europe.